Finding the Fourth Proportional to 60,891.98, 83,983.38 and 39,090.38

Step by Step Solution

1. Step 1: Write the proportion equation
   60,891.98 : 83,983.38 = 39,090.38 : x
2. Step 2: Convert to fraction form
   60,891.98/83,983.38 = 39,090.38/x
3. Step 3: Cross multiply
   60,891.98x = 83,983.38 × 39,090.38
4. Step 4: Simplify right side
   60,891.98x = 3,282,942,237.88
5. Step 5: Solve for x
   x = 3,282,942,237.88/60,891.98
6. Step 6: Final answer
   x = 53,914.20